> There's a major difference between getfullargspec/getargspec and inspect.signature: getfullargspec shows you the "self" parameter for bound methods, and inspect.signature does not.

Larry, yes, that's correct. The attached patch simulates this behaviour, with:

    if ismethod(func):
        func = func.__func__

I'm attaching 'getargsspec_03.patch', as the previous one (02) was a bit crippled.